Linear Operators: Part III: Spectral Operators [by] Nelson Dunford and Jacob T. Schwartz, with the Assistance of William G. Bade and Robert G. Bartle, Volume 1 |
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Page 1909
The exclusion of the theory of spectral operators from Part II was not due solely to the growth of the literature in this field , but was determined also by our desire to present a number of important applications of the general theory ...
The exclusion of the theory of spectral operators from Part II was not due solely to the growth of the literature in this field , but was determined also by our desire to present a number of important applications of the general theory ...
Page 2058
In explaining these implications in nonmathematical terms he envisaged , in his Philosophical Essay on Probabilities ( 1814 ) , a kind of superhuman calculator who could , upon having complete knowledge of the present state of the ...
In explaining these implications in nonmathematical terms he envisaged , in his Philosophical Essay on Probabilities ( 1814 ) , a kind of superhuman calculator who could , upon having complete knowledge of the present state of the ...
Page 2227
The present chapter is an attempt to make the corresponding step in the theory of spectral operators . We begin by defining a closed spectral operator and its resolution of the identity , and showing that the latter is unique .
The present chapter is an attempt to make the corresponding step in the theory of spectral operators . We begin by defining a closed spectral operator and its resolution of the identity , and showing that the latter is unique .
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Contents
SPECTRAL OPERATORS | 1924 |
Introduction | 1927 |
Terminology and Preliminary Notions | 1929 |
Copyright | |
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adjoint operator Amer analytic apply arbitrary assumed B-space Banach space belongs Boolean algebra Borel set boundary conditions bounded bounded operator Chapter clear closed commuting compact complex constant contains continuous converges Corollary corresponding defined Definition denote dense determined differential operator domain elements equation equivalent established exists extension finite follows formal formula given gives Hence Hilbert space hypothesis identity inequality integral invariant inverse Lemma limit linear operator Math Moreover multiplicity norm perturbation plane positive preceding present problem projections PROOF properties prove range resolution resolvent restriction Russian satisfies scalar type seen sequence shown shows similar solution spectral measure spectral operator spectrum subset sufficiently Suppose Theorem theory topology unbounded uniformly unique valued vector zero